| All Patents in class 76/82 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 29,336 | Jul. 24, 1860 | J.W. Wood | Edge tool Sharpener |
 | 464,577 | Dec. 08, 1891 | L. Mayer | Bush-hammer sharpener |
| | 528,772 | Nov. 06, 1894 | R. Dutton | Whetstone |
| | 951,961 | Mar. 15, 1910 | J. Miotke | Filing Device for Scraper Blades |
| | 956,350 | Apr. 26, 1910 | J.E. Hillstrom | Scraper-sharpener |
 | 961,010 | Jun. 07, 1910 | W. Caron, P.J. Poitras | Grinding Machine |
 | 1,167,371 | Jan. 11, 1916 | J. Allen | Scraper Vise & Burnisher |
| | 1,257,927 | Feb. 26, 1918 | W.M. Reagan | Scissors and Shears Sharpening Device |
 | 1,330,514 | Feb. 10, 1920 | W.C. Brooks | Tool-holder |
 | 2,098,865 | Nov. 09, 1937 | S.T. Freas | Rotary File |
